HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Dartmouth College
Skills you'll gain: C (Programming Language), Embedded Systems, Software Visualization, Computer Engineering, Embedded Software, System Programming, Computer Programming, Operating Systems, Data Structures, Linux
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Big Data, Operating Systems, File Systems, Linux, Scripting, Command-Line Interface, Performance Tuning, Programming Principles, Computer Architecture
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Middleware, Databases, Authorization (Computing), Authentications, Data Validation
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Regression Analysis, Actuarial Science, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Risk Modeling, Financial Trading, Financial Systems, Mathematical Modeling, Numerical Analysis, Equities, Applied Mathematics, Financial Data, Correlation Analysis, Python Programming, Process Optimization, Probability Distribution
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Endpoint Security, Endpoint Detection and Response, Multi-Factor Authentication, Network Security, Information Systems Security, Patch Management, Network Monitoring, Data Security, Malware Protection, Mobile Security, Authorization (Computing), Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Creative Thinking, Creativity, Creative Problem-Solving, Brainstorming, Ideation, Innovation, Architectural Design, Problem Solving, Design Thinking, Entrepreneurship, Artificial Intelligence, Advertising, Marketing, Game Design, Consumer Behaviour, Experimentation
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Cloud Engineering, Python Programming, Big Data, Data Science
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Virtual Private Networks (VPN), Amazon Web Services, AWS Identity and Access Management (IAM), Network Security, Remote Access Systems, Amazon Elastic Compute Cloud, Command-Line Interface, Control Panels, End User Training and Support
Mixed · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Sustainable Business, Sustainable Development, Environmental Social And Corporate Governance (ESG), Corporate Sustainability, Sustainability Reporting, Finance, Stakeholder Engagement, Financial Services, Case Studies, Corporate Strategy, Banking, Investments, Loans, Risk Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Network Security, Threat Detection, Threat Management, Network Administration, Multiprotocol Label Switching, Network Routing, Virtual Private Networks (VPN), Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Switches, Network Protocols
Advanced · Course · 3 - 6 Months

Skills you'll gain: Data Structures, Java, Theoretical Computer Science, Programming Principles, Algorithms, Object-Relational Mapping
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Docker (Software), Microservices, Authentications, OAuth, Integration Testing, Event-Driven Programming, Secure Coding, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration, Authorization (Computing), Transaction Processing
Intermediate · Course · 1 - 3 Months